请问如下数据集中的条件判断如何修改: 当$fine_username在数据表[user]中能找到时,执行select 2 不然执行select 1 ----------------------------------------------------------------------------------------------- where 1=1 ${if("select count(1) FROM [dbo].[user]where [fine_usercode]='" + fine_username + "'" == 0,"and select 1","and select 2")} |